GARBA 188

Stainless spring wire

GARBA 188 is a general-purpose austenitic stainless steel, which is used for springs and other components requiring good fatigue resistance. The formability is excellent and the corrosion resistance is good against atmospheric corrosion

Chemical composition

C
(%)

Si
(%)

Mn
(%)

P
max. (%)

S
max. (%)

Cr
(%)

Ni
(%)

0.05 -
0.15

2.00

2.00

0.045

0.015

16.00 -
19.00

6.00 -
9.50

Mechanical properties

For round wire

Diameter (mm)

Tolerance (± mm)

Tensile Strength (N/mm²)

0.30 -
0.65

0.008

-

0.66 -
1.01

0.010

-

1.02 -
2.26

0.015

-

2.27 -
4.01

0.020

-

4.02 -
6.26

0.025

-

6.27 -
8.00

0.030

-

0.30 -
0.30

2150 - 2470

0.31 -
0.40

2100 - 2420

0.41 -
0.50

2050 - 2360

0.51 -
0.65

2000 - 2300

0.66 -
0.80

1950 - 2240

0.81 -
1.00

1900 - 2190

1.01 -
1.25

1850 - 2130

1.26 -
1.50

1800 - 2070

1.51 -
1.75

1750 - 2010

1.76 -
2.00

1700 - 1960

2.01 -
2.50

1650 - 1900

2.51 -
3.00

1600 - 1840

3.01 -
3.50

1550 - 1780

3.51 -
4.25

1500 - 1730

4.26 -
5.00

1450 - 1670

5.01 -
6.00

1400 - 1610

6.01 -
7.00

1350 - 1550

7.01 -
8.00

1300 - 1500

Surface conditions

Surface performanceAC-surface 0.30–8.00 mm Ø. The AC-coating can be removed before heat treatment by using a 10-20% nitric acid pickle at room temperature.